Rafael Nadal is a renowned Spanish tennis player, famous for his dominance on clay courts and winning 22 Grand Slam singles titles. He is an Olympic gold medalist and has spent significant weeks as world No. 1.
This is based on winning 37 head-to-head matchups with other famous people, but also losing 51 head-to-head matchups.
Most recently Rafael Nadal lost a matchup to LeBron James (#191) voted by someone from United States.